/*
 * Copyright (c) 2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_RENDER_TARGET_H_INCLUDED_
#define ALKES_RENDER_TARGET_H_INCLUDED_

#include "alkes/internal.h"
#include "alkes/core/ClassID.h"
#include "alkes/core/TRefCount.h"
#include "alkes/core/Types.h"
#include "alkes/gfx/IGraphics2DDevice.h"

namespace alkes {

class ImageWriter;

/// \addtogroup graphics
//@{

/** Rendering target interface.
*/
class AL_EXPORT RenderTarget
    : public TRefCount<RenderTarget>
{
    AL_DECLARE_ROOT_CLASS(RenderTarget);

public:

    /** Update target size.
    @param [in] width new width
    @param [in] height new height
    */
    void updateSize(uint16_t width, uint16_t height);

    /** Get rectangle of this target.
    @return Rectangle of this rendering target.
    */
    const Rect getTargetRect() const;

    /** Get flip behavior.
    @return Flip behavior.
    */
    TargetBehavior getTargetBehavior() const;

protected:
    RenderTarget(TargetBehavior behavior, uint16_t width, uint16_t height);
    virtual ~RenderTarget() = 0;

    friend class TRefCount<RenderTarget>;
    virtual void destroy() = 0;

private:
    TargetBehavior target_behavior_;
    uint16_t width_;
    uint16_t height_;
};

//@}

}

#endif
